Continental Drift
This land mass from 335 million years ago means 'all land'
What is Pangea?
This was Harry Hess's theory
What is seafloor spreading?
The theory that combined seafloor spreading and continental drift
What is plate tectonics?
The energy from earthquakes is released in this form
What are seismic waves?
What is my pugs name?
Who is Beans?
This man made the theory of continental drift
Who is Alfred Wegener?
The evidence for seafloor spreading
What are ages of rocks, and magnetic striping?
This type of volcano has gentle sloping sides formed from quiet eruptions.
What is a shield volcano?
What are transform plate boundaries?
When loose soil acts like a liquid during an earthquake
This fossil was found on many continents far apart, and was a fossil clue for continental drift
What is a mesosaurus?
This theory unified the theory of seafloor spreading and continental drift
What is plate tectonics?
These are places where two plates interact
What are plate boundaries?
What is a seismograph?
What are explosive eruptions?
What is Glossopteris?
The type of plate boundary where seafloor spreading is occurring
What is a divergent plate boundary?
What is the magma chamber?
This can occur when an earthquake occurs under the water
What is a tsunami?
What is a caldera?
This man made the theory of Seafloor spreading, which reinvigorated the theory of continental drift
Who is Harry Hess?
The name of the ridge where seafloor spreading is occurring
What is the mid-Atlantic ridge?
When two plates meet and one gets pushed under the other
What are subduction zones?
The place on the surface of the earth above the focus
What is the epicenter?
These seismic waves move the slowest and cause the most damage
What are surface waves?